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In psychology, stress is a feeling of emotional strain and pressure. [1] Stress is a form of psychological and mental discomfort. Small amounts of stress may be beneficial, as it can improve athletic performance, motivation and reaction to the environment.
Stress produces numerous physical and mental symptoms which vary according to each individual's situational factors. These can include a decline in physical health, such as headaches, chest pain, fatigue, sleep problems, [1] and depression. The process of stress management is a key factor that can lead to a happy and successful life in modern ...
Stress (biology), an organism's response to a stressor such as an environmental condition; Stress (mechanics), the internal forces that neighboring particles of a continuous material exert on each other; Oxidative stress, an imbalance of free radicals; Psychological stress, a feeling of strain and pressure Occupational stress, stress related to ...
The threat of negative evaluation is the social stressor. Researchers can measure the stress response by comparing pre-stress salivary cortisol levels and post-stress salivary cortisol levels. [31] Other common stress measures used in the TSST are self-report measures like the State-Trait Anxiety Inventory and physiological measures like heart ...
Prolonged stress can disturb the immune, digestive, cardiovascular, sleep, and reproductive systems. [17] For example, it was found that: Chronic stress reduces resistance of infection and inflammation, and might even cause the immune system to attack itself. [27] Stress responses can cause atrophy of muscles and increases in blood pressure. [28]
Selye first differentiated the two in an article he wrote in 1975. [18] In this article Selye argued that persistent stress that is not resolved through coping or adaptation should be known as distress, and may lead to anxiety, withdrawal, and depressive behavior. In contrast, if stress enhances one's functioning it may be considered eustress.
Schematic overview of the classes of stresses in plants Neurohormonal response to stress. Stress, whether physiological, biological or psychological, is an organism's response to a stressor such as an environmental condition. [1] When stressed by stimuli that alter an organism's environment, multiple systems respond across the body. [2]
Photo of a woman suffering from stress and emotional distress. Although the terms " psychological " and "psychosocial" are frequently used interchangeably, their definitions are different. While "Psychological" refers to an individual’s mental and emotional state, "Psychosocial" refers to how one's ideas , feelings , and behaviors influence ...